Chrome Tourmaline and Pargasite Physical Properties

Chrome Tourmaline

Pargasite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.85-3.353.04-3.26

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

Splintery, Brittle, Uneven

1.6 Cleavage

3,2

{110} perfect

1.7 Mohs Hardness

7-7.55-6

2 10

1.8 Chemical Composition

Tourmaline is a series of several different minerals with unique chemical formulas.

NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Chrome Tourmaline and Pargasite Chemical Formula

While comparing Chrome Tourmaline and Pargasite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Chrome Tourmaline and Pargasite chemical formula.

Chemical formula of Chrome Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas.
Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Chrome Tourmaline and Pargasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrome Tourmaline and Pargasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome Tourmaline and Pargasite Optical Properties during the identification of gemstone. Specific gravity of Chrome Tourmaline is 3.04-3.26 whereas that of Pargasite is 3.04-3.26.